Description:1. The light features USB fast charging, long-lasting battery life and durable.2.The high-powered output will increase your visibility to the vehicles surround you in the dark.3. The product features life waterproof performance, let you come rain or shine.4.Universal Mount. Fits any sized seat post or bike frame , fit on almost anything!5.This light can be strapped on your helmet, backpack, bicycle seat post, back bike rack, stroller, and your pet’s collar. Be creative and strap it on anywhere.Specification:Material: ABS+PCColor: Red/whiteWaterproof level: IPX6Life time: 5hCharging method: USB chargingSize: 70*19*17mmPackage include:1*Taillight